h2{
    color:red;
}
.container{
    width:750px;
    padding:40px;
    margin-left: auto;
    margin-right: auto;
    border:1px solid #D3D3D3;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
}
.item{
    width:140px;
    font-size: 14px;
}
img{
    width:140px;
    height:140px
}